Presentation Check (on Standard Generators)

M11 M12 M22 M23 M24    
HS McL Co3* Co2 Co1*    
J2 Suz* Fi22 Fi23* Fi24'*    
He HN* Th* B* M*    
J1 O'N* Ly* J3 J4* Ru* 2F4(2)'

Automorphism Groups

Note: Automorphism Groups have not been extensively checked

M11 M12:2 M22.2 M23 M24    
HS.2 McL:2 Co3 Co2 Co1
J2:2 Suz.2* Fi22:2 Fi23 Fi24':2*    
He.2* HN.2* Th B M    
J1 O'N.2* Ly J3:2 J4 Ru 2F4(2)'.2

* Presentation unknown - these functions simply return True without performing any checks